package kin.system.util;

import java.util.Random;

public class RandomString {
	public static String getRandomString(int length) { //length表示生成字符串的长度
	    String base = "abcdefghijklmnopqrstuvwxyz0123456789";  
	    Random random = new Random();  
	    StringBuffer sb = new StringBuffer();  
	    for (int i = 0; i < length; i++) {  
	        int number = random.nextInt(base.length());  
	        sb.append(base.charAt(number));  
	    }  
	    return sb.toString();  
	 } 
	
	/*public static void main(String[] s){
		String ss =RandomString.getRandomString(6);
	System.out.println(ss);
	}*/
}
